From Cells to Organisms

1. Unicellular

1.1. Composed of only one cell

2. Multicellular

2.1. Composed of numerous cells

3. Properties of Life

3.1. Growth

3.2. Adaptability to the environment

3.3. Reproduction

3.4. Nutrition

3.5. Respiration

3.6. Excretion of waste

4. Cells make up

4.1. Tissues create

4.1.1. Organs are a part of the

4.1.1.1. Organ Systems

4.1.1.1.1. A group of organs that work together to do a certain job

4.1.1.1.2. Example: Respiration system is made up of the lungs and skin

4.1.1.1.3. Organisms

4.1.1.2. Example of organs include: brains, hearts, lungs, etc.

4.1.2. Defined as a group of similar cells that do the same job in an organism

5. Organism

5.1. Defined as a living thing

5.2. Are highly organized

5.2.1. The simplest level of organization of a living being is an organelle

5.2.2. The highest level of organization for living things is the biosphere

6. Atom

6.1. The smallest and more fundamental unit of matter

6.2. Molecule

6.2.1. The smallest particle that is made up of two or more atoms held together via chemical bonds